19882711

Properties

Appears in sequences

• 1/4 the number of (n+1) X 3 0..3 arrays with every 2 X 2 subblock having at least two equal elements connected horizontally or vertically.at n=3A184146
• 1/4 the number of (n+1) X 5 0..3 arrays with every 2 X 2 subblock having at least two equal elements connected horizontally or vertically.at n=1A184148
• T(n,k)=1/4 the number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having at least two equal elements connected horizontally or vertically.at n=11A184153
• T(n,k)=1/4 the number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having at least two equal elements connected horizontally or vertically.at n=13A184153
• Prime numbersat n=1263603